O64.3 Obstructed labor due to brow presentation

ICD-10-CM Code O64.3: Obstructed labor due to brow presentation

ICD-10-CM code O64.3 identifies obstructed labor due to brow presentation, representing a pathologic function within the system. It falls under the parent category of obstructed labor due to fetal malposition and malpresentation. This active terminology record has no narrower subcodes. Clinical literature lists brow presentation among abnormal fetal presentations. 1 2

Plain-language overview

Code O64.3 describes a situation where labor is obstructed because the fetus is in a brow presentation, establishing this specific condition as a pathologic function within the ICD-10-CM system. 1

What this code represents

The code O64.3 represents the diagnosis of obstructed labor due to brow presentation and is an active record in the ICD-10-CM version 2026 terminology with no narrower subordinate concepts. 1

Coding details

Within the ICD-10-CM hierarchy, O64.3 is a child code nested under the parent concept O64, which covers obstructed labor due to malposition and malpresentation of the fetus. 1

A phenotype mapping resource lists O64.3 for obstructed labour due to brow presentation and includes variations for specifying the condition as not applicable or unspecified or involving fetuses one through five. 3

Clinical context

Clinical audit criteria from a maternity study explicitly identify brow presentation as a distinct type of abnormal fetal presentation evaluated alongside compound presentation, face mentoposterior, and oblique lie. 2

Documentation considerations

The terminology record for O64.3 provides the official preferred name as obstructed labor due to brow presentation, which serves as the standard label for this diagnosis. 1

What the sources add

While the terminology record defines the code structure, the maternity study lists brow presentation under abnormal presentations that are clinically evaluated alongside other distinct fetal lie and position anomalies. 1 2

A semantic exploration tool confirms the mapping of O64.3 to obstructed labor due to brow presentation across different ICD-10-CM and ICD-10 versions, while a phenotype resource provides expanded fetus-specific categorizations. 3 4

Sources

1. ICD-10-CM O64.3 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Disclosing possible nonmedically indicated cesarean sections in 5 high-volume urban maternity units in Tanzania: a criterion-based clinical audit — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Phecode 652 · ExPRSweb — csg.sph.umich.edu; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.